2778510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 7755264

約数和(自身を除く): 4976754

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 131, 202, 210, 262, 303, 393, 505, 606, 655, 707, 786, 917, 1010, 1310, 1414, 1515, 1834, 1965, 2121, 2751, 3030, 3535, 3930, 4242, 4585, 5502, 7070, 9170, 10605, 13231, 13755, 21210, 26462, 27510, 39693, 66155, 79386, 92617, 132310, 185234, 198465, 277851, 396930, 463085, 555702, 926170, 1389255, 2778510]

約数ペア:

[(1, 2778510), (2, 1389255), (3, 926170), (5, 555702), (6, 463085), (7, 396930), (10, 277851), (14, 198465), (15, 185234), (21, 132310), (30, 92617), (35, 79386), (42, 66155), (70, 39693), (101, 27510), (105, 26462), (131, 21210), (202, 13755), (210, 13231), (262, 10605), (303, 9170), (393, 7070), (505, 5502), (606, 4585), (655, 4242), (707, 3930), (786, 3535), (917, 3030), (1010, 2751), (1310, 2121), (1414, 1965), (1515, 1834)]